﻿<p>An <em>IfcElementarySurface</em> in the common supertype of analytical surfaces.</p>
<blockquote class="extDef">NOTE&nbsp; Definition according to ISO/CD 10303-42:1992<br>
An elementary surface (<em>IfcElementarySurface</em>) is a simple analytic surface with defined parametric
representation.</blockquote>
<blockquote class="note">NOTE&nbsp; Entity adapted from <strong>elementary_surface</strong> defined in ISO
10303-42.</blockquote>
<blockquote class="history">HISTORY&nbsp; New entity in IFC1.5</blockquote>